2×4 Technic Brick w/ 7-Pin Holes (Part 3709a)
Custom LEGO part image © 2025 Tom Alphin / Brick Architect.
This part is a precursor to the modern Technic brick. There are variants with hollow and solid studs.
Note: Part 3709 is a 2×4 Technic Plate with 3-Holes.
External Links
LEGO parts are described differently on other websites and may use different part numbers.
Bricklink:
3709a Technic, Brick 2 x 4 with Holes on All Sides
3709c Technic, Brick 2 x 4 with Holes on All Sides - Solid Studs
Rebrickable:
3709a Technic Brick 2 x 4 with Top/Side/End Holes and Hollow Studs
3709c Technic Brick 2 x 4 with Top/Side/End Holes and Solid Studs
LDraw:
3709a Brick 2 x 4 with Top/Side/End Holes and Hollow Studs
3709c Brick 2 x 4 with Top/Side/End Holes and Solid Studs
Ranking based on buying one copy of every LEGO set, counting the number of sets containing each part, then sorting by part and color.
Overall Rank is a weighted score combining the number of parts, sets, and colors produced.
Printable LEGO Brick Label
Requires a compatible Brother Label Printer — learn more at brickarchitect.com/labels.
New Label! Not included in legacy LEGO Brick Labels collection.
Small QR codes are hard to scan with some devices.
Date Added: 2025-12-09 02:30:09
Date Modified: 2025-12-09 02:34:31
